3000 Swing Cut Edge Sharpener w/ Tunsten Carbide file.  The swiveling file holder ensures full alignment of the cutting tool to the side cut of the edge.  Smooth rollers glide on base to avoid damage. The Tungsten carbide file is fast and efficient and hard enought to cut thru work hardened burrs.  The Tungsten Carbide file will last as long as 10 regular ski files.  For side and base beveling.  This tool will perfectly follow the edges on MagnaTraction snowboards and carving skis.